Mistral AI Releases Leanstral 1.5: An Apache-2.0 Lean 4 Code Agent Model Solving 587 of 672 PutnamBench Problems
Mistral AI has released Leanstral 1.5, an Apache‑2.0 licensed Lean 4 code agent model that solves 587 of 672 PutnamBench problems. The model contains 119 billion mixture‑of‑experts parameters with 6.5 billion active weig…
→ View original source